Global patent index - EP 0968140 A1

EP 0968140 A1 2000-01-05 - METHOD FOR MAKING AN EXPANDED MATERIAL IN THE FORM OF GRANULES, FROM GLASS

Title (en)

METHOD FOR MAKING AN EXPANDED MATERIAL IN THE FORM OF GRANULES, FROM GLASS

Title (de)

VERFAHREN ZUM HERSTELLEN VON EXPANDIERTEN KÜGELCHEN AUS GLAS

Title (fr)

PROCEDE DE FABRICATION DE MATERIAU EXPANSE SOUS FORME DE GRANULES, A PARTIR DE VERRE

Publication

EP 0968140 A1 (FR)

Application

EP 98903073 A

Priority

  • FR 9800077 W
  • FR 9700463 A

Abstract (en)

[origin: FR2758548A1] The invention concerns a method for making an expanded material in granulated form, from glass, in particular recuperated glass, comprising the following steps: mixing the glass powder and aluminium nitride powder (AlN) with a binder; granulating the mixture; and calcining the granules at a temperature ranging between 700 and 1200 DEG C.

IPC 1-7 (main, further and additional classification)

C03B 19/10; C03C 11/00

IPC 8 full level (invention and additional information)

C03B 19/10 (2006.01); C03C 11/00 (2006.01)

CPC (invention and additional information)

C03C 11/007 (2013.01); C03B 19/108 (2013.01)

Citation (search report)

See references of WO 9831639A1

Designated contracting state (EPC)

BE DE ES FR NL

EPO simple patent family

FR 2758548 A1 19980724; FR 2758548 B1 19990423; EP 0968140 A1 20000105; WO 9831639 A1 19980723

INPADOC legal status

2002-05-02 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20011020

2000-06-28 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20000515

2000-04-05 [RIN1] INVENTOR (CORRECTION)

- Inventor name: GARNIER, CORINNE

2000-04-05 [RIN1] INVENTOR (CORRECTION)

- Inventor name: LAURENT, YVES

2000-04-05 [RIN1] INVENTOR (CORRECTION)

- Inventor name: RAZAFINDRAKOTO, JOHN

2000-04-05 [RIN1] INVENTOR (CORRECTION)

- Inventor name: VERDIER, PATRICK

2000-01-05 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19990809

2000-01-05 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): BE DE ES FR NL